CN103639848A - Machining center lubricity test system and optimization method - Google Patents
Machining center lubricity test system and optimization method Download PDFInfo
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- CN103639848A CN103639848A CN201310727481.1A CN201310727481A CN103639848A CN 103639848 A CN103639848 A CN 103639848A CN 201310727481 A CN201310727481 A CN 201310727481A CN 103639848 A CN103639848 A CN 103639848A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/12—Arrangements for cooling or lubricating parts of the machine
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Abstract
The invention relates to a machining center lubricity test system and an optimization method and belongs to the field of testing of machining center lubrication systems. Thermosensitive parts of a spindle system and a feed system are identified by thermal imaging testing of the spindle system and the feed system, and temperature sensors are mounted at the thermosensitive parts. A test system of a machining center lubrication system is set up; the lubrication amount is adjusted by adjusting a lubrication time interval of a machining center; the spindle system and the feed system of the machining center move continuously in different lubrication amount states; and simultaneously, temperature data at the thermosensitive parts is acquired. The lubrication amount of the spindle system and the feed system of the machining center is optimized based on temperature rises of the thermosensitive parts. The invention provides the test system and the optimization method for optimizing the lubrication amount of the machining center lubrication system; the problem of unreasonable lubrication amount setting of the machining center lubrication system at present is solved; the movement performance of a machine tool can be improved; the use cost of the machine tool is lowered; and the pollution of lubricating oil is reduced.
Description
Technical field
The present invention relates to the field tests of machining center lubricating system, be specially a kind of machining center greasy property test macro and optimization method.
Background technology
The test of machining center lubricating system and optimization are difficult problems of machine industry.Irrational lubricated quantity delivered can affect robust motion and lathe temperature rise, and then causes larger hot error, affects machine tool accuracy.The lubricating system of machining center is generally taked supply mode at regular time and quantity at present, to lubricated arranging of interval time, be generally to arrange by rule of thumb, but in fact lubricated amount should be different for different size, unequally loaded machining center, need to monitor in real time and test machining center rear definite the lubricated interval time of its optimum.
Summary of the invention
The object of the present invention is to provide a kind of machining center greasy property test macro and optimization method, solve the Real-Time Monitoring of machining center lubricating system also, and data are processed, complete data-optimizedly, and then improve the exercise performance of machining center and reduce lubricating fluid use cost.
To achieve these goals, the present invention adopts following technical scheme: a kind of machining center greasy property test macro, it is characterized in that: comprise temperature sensor, temperature data acquisition and analytical system, described temperature sensor is distributed in the thermo-responsive position of tested machining center, by the temperature rise data of temperature data acquisition and analytical system acquisition process machining center.
Described temperature sensor is placed on respectively on the main shaft, X-axis bearing block, Y-axis bearing block, Z axis bearing block, X-axis nut, Y-axis nut, Z axis nut of the peripheral and tested machining center of tested machining center.
Described temperature sensor is with magnet base, by magnetic-adsorption in tested position.
Described temperature data acquisition and analytical system comprise single-ended 32 circuit-switched data capture cards, A/D modular converter and data processor; By the analog signals of data collecting card collecting temperature sensor, by A/D modular converter, the digital quantity signal converting to is sent to data processor processes.An optimization method for machining center greasy property, is characterized in that, carries out as follows:
(1) axis system and feed system continuous operation under fast state of machining center are set, axis system and feed system are carried out to thermal imaging test, the thermo-responsive position of identification axis system and feed system;
(2) at thermo-responsive position mounting temperature sensor, the upper mounting temperature sensor of the outer protection of the work in-process heart, test environment temperature;
(3) build the temperature data collecting system of machining center lubricating system;
(4) determine the environment of lubricating system test;
(5) by the digital control system of machining center, regulate the lubricated interval time of lubricating system, and make main shaft and each feed shaft continuous operation under fast state of machining center;
(6) main spindle front bearing place, the feed screw nut of each feed shaft and the temperature data of bearing block place and environment while gathering different lubricated interval time;
(7) to temperature test data analysis, draw each thermo-responsive some temperature rise curve in time, and the temperature rise result of difference lubricated interval time is contrasted, judge whether lubricated setting interval time of machining center acquiescence is reasonable;
(8) according to the adjustment of temperature rise comparative analysis result, lubricate interval time, realize the lubricated amount optimization of lubricating system.
As a further improvement on the present invention:
In described step (), during thermal imaging test, machining center starts test under cold conditions, and meet and test not motion within front 6h, inaccurate shutdown midway during test, main shaft and feed system continuous operation time under high speed is not less than 5h.
In described step (two), to the temperature sensor mounted particular location of axis system and the thermo-responsive position of feed system, be fore bearing place, X, Y, the feed screw nut place of Z feed shaft, the lead screw shaft bearing place of machining center main shaft.
In described step (four), test environment comprises environment temperature, thermograde and humidity, and described environment temperature is 17 ~ 23 ℃, and thermograde is 0 ~ 3 ℃/m, and relative humidity is 40 ~ 70%.
In described step (five), the rotating speed of the main shaft of machining center is not less than 80% of maximum speed, and each feed shaft speed is not less than 80% of maximal rate.
The invention has the beneficial effects as follows:
1, the present invention proposes a kind of machining center greasy property test macro and optimization method, for machining center lubricating system is tested and optimized, can avoid irrational lubricated amount setting.
2, according to the present invention, carry out the lubricated amount optimization of machining center, can not affect under the prerequisite of machine tool motion performance, reduce the use cost of lathe, and reduce the pollution of lubricating oil, realize green manufacturing.
3, the present invention proposes machining center greasy property test macro and optimization method, for lathe production firm and lathe user provide the lubricated test of machining center and optimization method, and can provide reference for the lubricated amount optimization of other type lathe.
Accompanying drawing explanation
Fig. 1 is overall construction drawing of the present invention.
Fig. 2 is the structured flowchart of temperature data acquisition and analytical system.
Fig. 3 is the flow chart that adopts the present invention to test and optimize.
In figure, I, temperature data acquisition and analytical system; II, tested machining center; III, temperature sensor.
The specific embodiment
A kind of machining center greasy property test macro, comprise temperature sensor, temperature data acquisition and analytical system I, temperature sensor III arranges 8, temperature sensor III is with magnet base, respectively by magnetic-adsorption peripheral at tested machining center II, the main shaft of tested machining center II, X-axis bearing block, Y-axis bearing block, Z axis bearing block, X-axis nut, Y-axis nut, on Z axis nut, the installation site of each temperature sensor has been shown in Fig. 1, #1 ~ #8 round dot represents that respectively position is: X-axis bearing block, X-axis nut, Y-axis bearing block, Y-axis nut, Z axis bearing block, Z axis nut, main shaft and tested machining center peripheral environment.
Wherein temperature data acquisition and analytical system I consist of single-ended 32 circuit-switched data capture cards, A/D modular converter and data processor, the built-in 16 bit timing registers of 32 circuit-switched data capture cards.During use, by the analog signals of data collecting card collecting temperature sensor, by A/D modular converter, the digital quantity signal converting to is sent to data processor processes.
During use, by the applied environment temperature of the tested machining center II of temperature sensor monitors, and the variations in temperature at thermo-responsive position during tested machining center II motion, be specially: the digital control system of machining center II regulates the lubricated interval time of lubricating system, and make main shaft and each feed shaft continuous operation under fast state of machining center II.Main spindle front bearing place, the feed screw nut of each feed shaft and the temperature data of bearing block place and environment while gathering different lubricated interval time.To temperature test data analysis, draw each thermo-responsive some temperature rise curve in time, and the temperature rise result of difference lubricated interval time is contrasted, judge whether lubricated setting interval time of machining center II acquiescence is reasonable.According to the adjustment of temperature rise comparative analysis result, lubricate interval time, realize the lubricated amount optimization of lubricating system.
Adopt machining center greasy property test macro of the present invention test and the step optimized as follows:
(1) axis system and feed system continuous operation under fast state of machining center are set, axis system and feed system are carried out to thermal imaging test, the thermo-responsive position of identification axis system and feed system;
(2) at thermo-responsive position mounting temperature sensor, the upper mounting temperature sensor of the outer protection of the work in-process heart, test environment temperature;
(3) build the temperature data collecting system of machining center lubricating system;
(4) determine the environment of lubricating system test;
(5) by the digital control system of machining center, regulate the lubricated interval time of lubricating system, and make main shaft and each feed shaft continuous operation under fast state of machining center;
(6) main spindle front bearing place, the feed screw nut of each feed shaft and the temperature data of bearing block place and environment while gathering different lubricated interval time;
(7) to temperature test data analysis, draw each thermo-responsive some temperature rise curve in time, and the temperature rise result of difference lubricated interval time is contrasted, judge whether lubricated setting interval time of machining center acquiescence is reasonable.
(8) according to the adjustment of temperature rise comparative analysis result, lubricate interval time, realize the lubricated amount optimization of lubricating system.
In described step (), during thermal imaging test, machining center starts test under cold conditions, and meet and test not motion within front 6h, inaccurate shutdown midway during test, main shaft and feed system continuous operation time under high speed is not less than 5h.
In described step (two), to the temperature sensor mounted particular location of axis system and the thermo-responsive position of feed system, be fore bearing place, X, Y, the feed screw nut place of Z feed shaft, the lead screw shaft bearing place of machining center main shaft.
In described step (four), test environment comprises environment temperature, thermograde and humidity, and described environment temperature is 17 ~ 23 ℃, and thermograde is 0 ~ 3 ℃/m, and relative humidity is 40 ~ 70%.
In described step (five), the rotating speed of the main shaft of machining center is not less than 80% of maximum speed, and each feed shaft speed is not less than 80% of maximal rate.
Claims (9)
1. a machining center greasy property test macro, it is characterized in that: comprise temperature sensor, temperature data acquisition and analytical system, described temperature sensor is distributed in the thermo-responsive position of tested machining center, by the temperature rise data of temperature data acquisition and analytical system acquisition process machining center.
2. a kind of machining center greasy property test macro according to claim 1, is characterized in that: described temperature sensor is placed on respectively on the main shaft, X-axis bearing block, Y-axis bearing block, Z axis bearing block, X-axis nut, Y-axis nut, Z axis nut of the peripheral and tested machining center of tested machining center.
3. a kind of machining center greasy property test macro according to claim 1, is characterized in that: described temperature sensor is with magnet base, by magnetic-adsorption in tested position.
4. a kind of machining center greasy property test macro according to claim 1, is characterized in that: described temperature data acquisition and analytical system comprise single-ended 32 circuit-switched data capture cards, A/D modular converter and data processor; By the analog signals of data collecting card collecting temperature sensor, by A/D modular converter, the digital quantity signal converting to is sent to data processor processes.
5. an optimization method for machining center greasy property, is characterized in that, carries out as follows:
(1) axis system and feed system continuous operation under fast state of machining center are set, axis system and feed system are carried out to thermal imaging test, the thermo-responsive position of identification axis system and feed system;
(2) at thermo-responsive position mounting temperature sensor, the upper mounting temperature sensor of the outer protection of the work in-process heart, test environment temperature;
(3) build the temperature data collecting system of machining center lubricating system;
(4) determine the environment of lubricating system test;
(5) by the digital control system of machining center, regulate the lubricated interval time of lubricating system, and make main shaft and each feed shaft continuous operation under fast state of machining center;
(6) main spindle front bearing place, the feed screw nut of each feed shaft and the temperature data of bearing block place and environment while gathering different lubricated interval time;
(7) to temperature test data analysis, draw each thermo-responsive some temperature rise curve in time, and the temperature rise result of difference lubricated interval time is contrasted, judge whether lubricated setting interval time of machining center acquiescence is reasonable;
(8) according to the adjustment of temperature rise comparative analysis result, lubricate interval time, realize the lubricated amount optimization of lubricating system.
6. according to the optimization method of machining center greasy property claimed in claim 5; it is characterized in that: in described step (); during thermal imaging test; machining center starts test under cold conditions; meet not motion within the front 6h of test; inaccurate shutdown midway during test, main shaft and feed system continuous operation time under high speed is not less than 5h.
7. according to the optimization method of machining center greasy property claimed in claim 5, it is characterized in that: in described step (two), to the temperature sensor mounted particular location of axis system and the thermo-responsive position of feed system, be fore bearing place, X, Y, the feed screw nut place of Z feed shaft, the lead screw shaft bearing place of machining center main shaft.
8. according to the optimization method of machining center greasy property claimed in claim 5, it is characterized in that: in described step (four), test environment comprises environment temperature, thermograde and humidity, described environment temperature is 17 ~ 23 ℃, thermograde is 0 ~ 3 ℃/m, and relative humidity is 40 ~ 70%.
9. according to the optimization method of machining center greasy property claimed in claim 5, it is characterized in that: in described step (five), the rotating speed of the main shaft of machining center is not less than 80% of maximum speed, each feed shaft speed is not less than 80% of maximal rate.
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Cited By (6)
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| JP2017185600A (en) * | 2016-04-07 | 2017-10-12 | 株式会社ディスコ | Cutting device |
| CN108788923A (en) * | 2017-04-28 | 2018-11-13 | 发那科株式会社 | Failure detector |
| CN110825034A (en) * | 2019-11-16 | 2020-02-21 | 佛山市铂索润滑材料有限公司 | Control system of metal cutting fluid performance test equipment |
| CN112975573A (en) * | 2019-03-08 | 2021-06-18 | 重庆钢铁股份有限公司 | Method, device and equipment for lubricating double-sided shear crankshaft with dry oil and computer readable storage medium |
| CN113028262A (en) * | 2020-12-28 | 2021-06-25 | 国家电投集团广西兴安风电有限公司 | Lubrication control method and device based on bearing temperature rise gradient change |
| CN114161225A (en) * | 2021-12-10 | 2022-03-11 | 上海诺倬力机电科技有限公司 | Five first intelligent feedback devices and machine tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN112975573A (en) * | 2019-03-08 | 2021-06-18 | 重庆钢铁股份有限公司 | Method, device and equipment for lubricating double-sided shear crankshaft with dry oil and computer readable storage medium |
| CN110825034A (en) * | 2019-11-16 | 2020-02-21 | 佛山市铂索润滑材料有限公司 | Control system of metal cutting fluid performance test equipment |
| CN113028262A (en) * | 2020-12-28 | 2021-06-25 | 国家电投集团广西兴安风电有限公司 | Lubrication control method and device based on bearing temperature rise gradient change |
| CN114161225A (en) * | 2021-12-10 | 2022-03-11 | 上海诺倬力机电科技有限公司 | Five first intelligent feedback devices and machine tool |
| CN114161225B (en) * | 2021-12-10 | 2024-04-26 | 上海诺倬力机电科技有限公司 | Five spindle nose intelligent feedback devices and machine tool |
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Application publication date: 20140319 |